AU612712B2 - Tamper-resistant brake actuator - Google Patents

Tamper-resistant brake actuator Download PDF

Info

Publication number
AU612712B2
AU612712B2 AU24138/88A AU2413888A AU612712B2 AU 612712 B2 AU612712 B2 AU 612712B2 AU 24138/88 A AU24138/88 A AU 24138/88A AU 2413888 A AU2413888 A AU 2413888A AU 612712 B2 AU612712 B2 AU 612712B2
Authority
AU
Australia
Prior art keywords
flange
head
diaphragm
spring
securing member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU24138/88A
Other languages
English (en)
Other versions
AU2413888A (en
Inventor
David W. Brooks
Graydon J. Choinski
Allen L. Gummer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Indian Head Industries Inc
Original Assignee
Indian Head Inc
Indian Head Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22378167&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU612712(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Indian Head Inc, Indian Head Industries Inc filed Critical Indian Head Inc
Publication of AU2413888A publication Critical patent/AU2413888A/en
Application granted granted Critical
Publication of AU612712B2 publication Critical patent/AU612712B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/08—Brake cylinders other than ultimate actuators
    • B60T17/083—Combination of service brake actuators with spring loaded brake actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/50—Flanged connections
    • F16B2200/509—Flanged connections clamped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/4927—Cylinder, cylinder head or engine valve sleeve making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49936—Surface interlocking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/66—Interfitted members with external bridging piece

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Arrangements (AREA)
  • Braking Systems And Boosters (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
AU24138/88A 1987-11-06 1988-10-21 Tamper-resistant brake actuator Expired AU612712B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/118,372 US4960036A (en) 1987-11-06 1987-11-06 Tamper-resistant brake actuator
US118372 1993-09-08

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU85667/91A Division AU648589B2 (en) 1987-11-06 1991-10-08 A tamper-resistant brake actuator and a method of forming a tamper-resistant brake actuator

Publications (2)

Publication Number Publication Date
AU2413888A AU2413888A (en) 1989-05-11
AU612712B2 true AU612712B2 (en) 1991-07-18

Family

ID=22378167

Family Applications (2)

Application Number Title Priority Date Filing Date
AU24138/88A Expired AU612712B2 (en) 1987-11-06 1988-10-21 Tamper-resistant brake actuator
AU85667/91A Expired AU648589B2 (en) 1987-11-06 1991-10-08 A tamper-resistant brake actuator and a method of forming a tamper-resistant brake actuator

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU85667/91A Expired AU648589B2 (en) 1987-11-06 1991-10-08 A tamper-resistant brake actuator and a method of forming a tamper-resistant brake actuator

Country Status (11)

Country Link
US (2) US4960036A (ja)
EP (1) EP0315463B2 (ja)
JP (1) JP2778963B2 (ja)
KR (1) KR890008464A (ja)
AU (2) AU612712B2 (ja)
BR (1) BR8805840A (ja)
CA (1) CA1306425C (ja)
DE (1) DE3854891T3 (ja)
ES (1) ES2081287T5 (ja)
MX (1) MX164265B (ja)
ZA (1) ZA887845B (ja)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205205A (en) * 1987-11-06 1993-04-27 Indian Head Industries, Inc. Tamper resistant brake actuator
US4960036A (en) * 1987-11-06 1990-10-02 Indian Head Industries, Inc. Tamper-resistant brake actuator
US5067391A (en) * 1987-11-06 1991-11-26 Indian Head Industries, Inc. Tamper-resistant brake actuator
US5263403A (en) * 1987-11-06 1993-11-23 Indian Head Industries, Inc. Method of forming a tamper-resistant brake actuator
US5193432A (en) * 1992-04-29 1993-03-16 Anchorlok Corp. Tamper-resistant brake actuator
US5353688A (en) * 1992-06-26 1994-10-11 Nai Anchorlok, Inc. Tamper-resistant brake actuator
US5285716A (en) * 1992-09-22 1994-02-15 Tse Brakes, Inc. Spring brake assembly having tamper-resistant welded housing and method for making same
US5334230A (en) * 1992-12-23 1994-08-02 Midland Brake, Inc. Sealed air dryer with turbosaver valve
US5320026A (en) * 1993-02-16 1994-06-14 Anchorlok Corp. Spring brake actuator with dust guard
US5315918A (en) * 1993-02-19 1994-05-31 Nai Anchorlok, Inc. Tamper-resistant brake actuator
US5460076A (en) * 1993-04-27 1995-10-24 Nai Anchorlok, Inc. Fluid-operated brake actuator with internal check valve
US5722311A (en) * 1993-04-27 1998-03-03 Nai Anchorlok, Inc. Fluid-operated brake actuator with spring chamber isolation
US5372059A (en) * 1993-04-27 1994-12-13 Nai Anchorlok Inc. Fluid operated brake actuator with internal valve
US5345858A (en) * 1993-06-21 1994-09-13 Nai Anchorlok, Inc. Spring brake actuator with a pressure plate bearing for a caging tool
US5507217A (en) * 1994-09-30 1996-04-16 Indian Head Industries, Inc. Perforate diaphragm alignment system for spring brake actuators
EP0808263B1 (en) * 1995-02-21 2002-11-13 Nai Anchorlok, Inc. Spring brake actuator with filtered vent openings
US5560280A (en) * 1995-03-30 1996-10-01 Overland Brakes, Inc. Repairable tamper-proof brake
WO1997006041A1 (en) * 1995-08-09 1997-02-20 Nai Anchorlok, Inc. Tamper-resistant brake actuator
US5623862A (en) * 1995-08-17 1997-04-29 Midland Brake, Inc. Long stroke spring brake actuator
US5706714A (en) * 1996-02-29 1998-01-13 Piette; Michel Brake actuating mechanism with a power spring enclosure
US5758564A (en) * 1996-06-13 1998-06-02 Tse Brakes, Inc. Brake actuator and method of manufacture
US6405635B1 (en) 1996-06-13 2002-06-18 Tse Brakes, Inc. Brake actuator
US5765466A (en) * 1997-01-24 1998-06-16 Indian Head Industries Brake actuator with self-centering diaphram
US5937733A (en) * 1997-01-28 1999-08-17 Nai Anchorlok International, Inc. Spring brake actuator with internal breathing conduit
US6148711A (en) * 1997-12-05 2000-11-21 Holland Neway International, Inc. Normally-closed diaphragm check valve
US6003433A (en) * 1998-02-10 1999-12-21 Holland Neway International, Inc. Tamper-resistant brake actuator
US6050372A (en) * 1998-03-18 2000-04-18 Haldex Brake Corporation Tamper-resistant brake actuator and method of making the same
US6062124A (en) * 1998-04-30 2000-05-16 Radar Industries Inc. Brake booster
US5992297A (en) * 1998-05-29 1999-11-30 Indian Head Industries, Inc. Easy fit diaphragm
US6314861B1 (en) * 1999-06-18 2001-11-13 Tse Brakes, Inc. High output spring brake actuator
US6267043B1 (en) 1999-10-29 2001-07-31 Indian Head Industries, Inc. Brake actuator assembly
US6480107B2 (en) 2000-02-24 2002-11-12 Indian Head Industries, Inc. Apparatus for assembly of brake monitor
DE10009330A1 (de) * 2000-02-28 2001-10-04 Knorr Bremse Systeme Kombinierter Betriebsbrems- und Federspeicherbremszylinder
DE10109515B4 (de) * 2000-02-28 2005-02-10 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Membran-Bremszylinder
US6352137B1 (en) 2000-03-22 2002-03-05 Indian Head Industries, Inc. Brake monitoring system
US6289786B1 (en) * 2000-03-22 2001-09-18 Indian Head Industries Inc. Brake actuator having an improved piston and method of making same
US6360649B1 (en) 2000-04-26 2002-03-26 Indian Head Industries, Inc. Spring brake actuator
US6349629B1 (en) 2000-08-25 2002-02-26 Indian Head Industries, Inc. Brake actuator
DE60120868T2 (de) 2000-10-16 2007-01-11 TSE Brakes, Inc., Fresno Bremsbetätigungsvorrichtung
US6536329B2 (en) 2001-04-12 2003-03-25 Haldex Brake Corporation Brake actuator having tamper resistant riveted spring chamber
US6405636B1 (en) 2001-04-12 2002-06-18 Haldex Brake Corporation Brake actuation having snap-fit tamper resistant spring chamber
US6526867B2 (en) 2001-04-12 2003-03-04 Haldex Brake Corporation Brake actuator having tamper resistant clamp closing spring chamber
US7150344B2 (en) * 2002-08-01 2006-12-19 Haldex Brake Corporation Actuator and slack adjuster
US6755233B2 (en) * 2002-11-05 2004-06-29 Haldex Brake Corporation Method and apparatus for positioning an end of a push rod of a brake actuator
US6874405B2 (en) * 2003-01-14 2005-04-05 Haldex Brake Corporation Breather filter for sealed spring brake actuators
US20040134343A1 (en) * 2003-01-15 2004-07-15 Ashley Gregory R. Tamper-resistant band clamp for spring brake actuator
US6888451B1 (en) * 2003-03-31 2005-05-03 Indian Head Industries, Inc. Method of monitoring the power spring of a spring brake actuator
DE10353362A1 (de) * 2003-11-14 2005-06-16 Bpw Bergische Achsen Kg Betätigungszylinder, vorzugsweise für druckluftbetriebene Bremsanlagen
DE102005033848A1 (de) * 2005-07-20 2007-02-01 Wabco Gmbh & Co.Ohg Federspeicher-Bremszylinder
US20070035177A1 (en) * 2005-08-12 2007-02-15 Larry Thompson Sealed parking brake section for tamper resistant brake actuator
CN2878124Y (zh) * 2005-12-12 2007-03-14 瑞立集团瑞安汽车零部件有限公司 汽车离合器助力器
CN2859411Y (zh) * 2005-12-12 2007-01-17 瑞立集团有限公司 车用空气干燥器
CN2846243Y (zh) * 2005-12-12 2006-12-13 瑞立集团有限公司 内呼吸式弹簧制动气室
US20080000733A1 (en) * 2006-06-14 2008-01-03 Ehrlich Rodney P Spring brake internal venting
EP1889768B1 (en) * 2006-08-17 2012-11-07 TSE Brakes, Inc. Reduced profile brake actuator
US7743894B2 (en) * 2006-09-19 2010-06-29 Bendix Spicer Foundation Brake Llc Brake actuator reinforcement and method of attaching same
US8342076B2 (en) * 2008-12-22 2013-01-01 Indian Head Industries, Inc. Brake actuator and method of forming the same
US20100299906A1 (en) * 2009-05-28 2010-12-02 Indian Head Industries, Inc. Apparatus and method of forming the brake actuator
US20110023703A1 (en) * 2009-07-31 2011-02-03 Jerry Radowitz Tamper resistant spring brake actuator
US9193344B2 (en) 2009-12-16 2015-11-24 Nabtesco Automotive Corporation Structure for spring brake chamber
US8850663B2 (en) 2010-09-08 2014-10-07 Haldex Brake Corporation Clamp ring design
US9004236B2 (en) * 2011-09-28 2015-04-14 Bendix Spicer Foundation Brake, Llc Parking brake piston for a parking brake chamber
DE102013110639B4 (de) * 2013-09-26 2020-08-06 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Verfahren zur Herstellung einer formschlüssigen Verbindung zwischen wenigstens einem aus einem verformbaren Material bestehenden Gehäuse eines Betriebsbremszylinder eines kombinierten Betriebsbrems- und Federspeicherbremszylinders
DE102013016890A1 (de) 2013-10-11 2015-04-16 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Bremszylinder
US9988033B2 (en) 2015-04-23 2018-06-05 Bendix Spicer Foundation Brake Llc Parking brake actuator with internal flow control
DE102015115488B4 (de) 2015-09-15 2019-08-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Kombinierter zylindrischer Betriebsbrems- und Federspeicherbremszylinder und Verfahren zu seiner Herstellung
US10591009B2 (en) * 2017-02-16 2020-03-17 Tse Brakes, Inc. Vehicle spring brakes having reduced length
US11209058B2 (en) * 2019-11-19 2021-12-28 Tse Brakes, Inc. Spring brake actuator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000225A (en) * 1977-06-22 1979-01-04 Girling Midland Ross Air Act Vehicle brake actuators
AU3387184A (en) * 1983-11-23 1985-05-30 Allied Corporation A brake assembly
AU3946685A (en) * 1984-03-27 1985-10-03 Allied Corporation A masto cylinder and vacuum brake booster

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE48303C (de) * WURSTER & SEILER in Tübingen - Derendingen Schaltwerk für Sägegatter
US846480A (en) * 1905-10-28 1907-03-12 Standard Pulley Mfg Company Process of electric welding.
US2744543A (en) * 1954-09-27 1956-05-08 Jr Francis E Brady Air control unit
US2845954A (en) * 1955-02-28 1958-08-05 Leland S Hamer Visible wedge valve
US2854954A (en) * 1956-09-26 1958-10-07 Insley Mfg Corp Vehicle brake operating mechanism
CH359578A (de) * 1958-04-05 1962-01-15 Herbert Mueller Kommanditgesel Schlauchklemme
US3101133A (en) * 1958-11-21 1963-08-20 Rockwell Standard Co Safety brake mechanism
US3101219A (en) * 1961-02-21 1963-08-20 Dan B Herrera Safety brake
US3158930A (en) * 1961-05-01 1964-12-01 Bendix Corp Method of manufacturing assembly fluid pressure motors
US3187642A (en) * 1962-10-12 1965-06-08 Wagner Electric Corp Friction device operating mechanism
US3244079A (en) * 1963-08-15 1966-04-05 Stratovalve & Engineering Co Safety brake
US3295176A (en) * 1964-11-05 1967-01-03 Bright Mfg Co Ltd Hose clamps
US3331291A (en) * 1965-07-15 1967-07-18 Royal Industries Emergency brake actuator
DE1555763A1 (de) * 1966-02-01 1969-06-12 Ernst Heinkel Ag Pneumatisch-hydraulische Mehrkammer-Hilfskraftvorrichtung mit hydraulischem Mehrkammer-Zylinder
US3479927A (en) * 1967-05-19 1969-11-25 Wiz Corp Vehicle brake operator
US3549137A (en) * 1968-02-16 1970-12-22 Westinghouse Air Brake Co Apparatus for sizing elongated articles
US3544137A (en) * 1969-01-17 1970-12-01 Aeroquip Corp Ball joint for fluid lines
US3508470A (en) * 1969-03-10 1970-04-28 Certain Teed Prod Corp Brake actuator
US3696711A (en) * 1970-12-28 1972-10-10 Berg Manufacturing Co Roll diaphragm brake
US3730056A (en) * 1971-06-14 1973-05-01 Certain Teed St Gobain Double diaphragm brake operator improvements
US3736842A (en) * 1972-02-22 1973-06-05 Bendix Corp Breathing and failure detection system for spring brakes
FR2142106B1 (ja) * 1972-04-03 1973-07-13 Meshberg Philip
CH555022A (de) * 1972-08-10 1974-10-15 Oetiker Hans Rohrverbindung.
JPS49113077U (ja) * 1973-01-31 1974-09-26
US3908520A (en) * 1973-10-25 1975-09-30 Berg Manufacturing Co Adjustment means for double diaphragm spring brake chamber actuator
US4109350A (en) * 1976-10-07 1978-08-29 Midland-Ross Corporation Clamp band
JPS5410865A (en) * 1977-06-24 1979-01-26 Indian Head Inc Asistant brake mechanism for operating automatic core regulatable spring
DE2736149A1 (de) * 1977-08-11 1979-02-22 Bosch Gmbh Robert Ringfoermiges spannband
US4191096A (en) * 1977-11-28 1980-03-04 Schmelzer Corporation Time delay assembly
GB2038447B (en) * 1978-12-21 1982-11-10 Automotive Prod Co Ltd Rolling diaphragm apparatus
GB2077376B (en) * 1980-06-05 1984-01-04 Automotive Prod Co Ltd Improvements relating to servomotor casings
DE3128723A1 (de) * 1981-07-21 1983-02-10 Fichtel & Sachs Ag, 8720 Schweinfurt Hydropneumatischer zweirohr-schwingungsdaempfer oder federbeineinsatz mit einer verschlusskappe fuer ein behaelterrohr
US4430775A (en) * 1981-12-14 1984-02-14 Arvin Industries, Inc. Muffler shield banding strap
JPS58111444U (ja) * 1982-01-26 1983-07-29 自動車機器株式会社 スプリングブレ−キチヤンバ
JPS58187634U (ja) * 1982-06-08 1983-12-13 自動車機器株式会社 スプリングブレ−キチヤンバ
DE3241547A1 (de) * 1982-11-10 1984-05-10 Robert Bosch Gmbh, 7000 Stuttgart Kombinierter druckluft-federspeicher-bremszylinder i
DE3241548A1 (de) * 1982-11-10 1984-05-10 Robert Bosch Gmbh, 7000 Stuttgart Kombinierter druckluft-federspeicher-bremszylinder ii
SE434178B (sv) * 1982-11-17 1984-07-09 Ericsson Telefon Ab L M Klemforband
JPS619366U (ja) * 1984-06-22 1986-01-20 アイシン精機株式会社 気圧式倍力装置のハウジング
US4565120A (en) * 1985-03-20 1986-01-21 Aeroquip Corporation Safety restraint for brake actuators
US5067391A (en) * 1987-11-06 1991-11-26 Indian Head Industries, Inc. Tamper-resistant brake actuator
US4960036A (en) * 1987-11-06 1990-10-02 Indian Head Industries, Inc. Tamper-resistant brake actuator
US4850263A (en) * 1988-01-07 1989-07-25 Overland Brakes, Inc. Spring brake construction and method of manufacture thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000225A (en) * 1977-06-22 1979-01-04 Girling Midland Ross Air Act Vehicle brake actuators
AU3387184A (en) * 1983-11-23 1985-05-30 Allied Corporation A brake assembly
AU3946685A (en) * 1984-03-27 1985-10-03 Allied Corporation A masto cylinder and vacuum brake booster

Also Published As

Publication number Publication date
JPH01153827A (ja) 1989-06-16
EP0315463A3 (en) 1989-10-11
JP2778963B2 (ja) 1998-07-23
ZA887845B (en) 1989-07-26
ES2081287T3 (es) 1996-03-01
US5311809A (en) 1994-05-17
EP0315463B2 (en) 2002-11-27
EP0315463A2 (en) 1989-05-10
DE3854891T2 (de) 1996-05-15
ES2081287T5 (es) 2003-04-01
EP0315463B1 (en) 1996-01-10
DE3854891D1 (de) 1996-02-22
AU8566791A (en) 1991-12-05
MX164265B (es) 1992-07-28
AU648589B2 (en) 1994-04-28
AU2413888A (en) 1989-05-11
BR8805840A (pt) 1989-08-01
CA1306425C (en) 1992-08-18
KR890008464A (ko) 1989-07-10
US4960036A (en) 1990-10-02
DE3854891T3 (de) 2003-04-10

Similar Documents

Publication Publication Date Title
AU612712B2 (en) Tamper-resistant brake actuator
US5067391A (en) Tamper-resistant brake actuator
US5263403A (en) Method of forming a tamper-resistant brake actuator
EP0575830B1 (en) Tamper-resistant brake actuator
AU673303B2 (en) Tamper-resistant brake actuator
US5205205A (en) Tamper resistant brake actuator
US5433138A (en) Tamper-resistant brake actuator
US5771774A (en) Spring brake actuator having plastic pressure plate assembly
CA2407400A1 (en) Improved spring brake actuator
EP1082519B1 (en) Easy fit diaphragm
EP0931204B1 (en) Small envelope tamper-resistant spring brake actuator
WO1998032952A1 (en) Brake actuator with self-centering diaphragm
US6526867B2 (en) Brake actuator having tamper resistant clamp closing spring chamber
KR950010183Y1 (ko) 내탐퍼성 브레이크 액츄에이터
CA1338182C (en) Air brake with integral spring chamber
US20040134343A1 (en) Tamper-resistant band clamp for spring brake actuator
WO1997018117A1 (en) Spring brake actuator having plastic pressure plate assembly